Science and Technology at Scientific American.com NOVEMBER ISSUE
CURRENT ISSUE HIGHLIGHTS:
  Reviews
  Don't Wreck the Mars Program

ASK THE EXPERTS:
  How does short-term memory work in relation to long-term memory? Are short-term daily memories somehow transferred to long-term storage while we sleep?
SEARCH
 October 22, 2007
 DECEMBER 2003 CONTENTS
Browse:
 
December 2003 issue contents
Get Digital access now!  |  Subscribe  |  Order issues
Find Scientific American on a newsstand near you
 Free preview. Full coverage available from Scientific American Digital
 FEATURES
AVIATION
The Equivocal Success of the Wright Brothers
By Daniel C. Schlenoff
The Wrights used aerial control as the key to building and flying the first airplane. But trying to refine their invention in secret nearly cost them their glory.
BIOLOGY
Does Race Exist?
By Michael J. Bamshad and Steve E. Olson
From a purely genetic standpoint, no. Nevertheless, genetic information about individuals' ancestral origins can sometimes have medical relevance
GEOSCIENCE
 The Day the World Burned
By David A. Kring and Daniel D. Durda
The asteroid impact that killed the dinosaurs also ignited a firestorm that consumed the world's forests
TECHNOLOGY LEADERS
 The Scientific American 50
Our second annual salute to the elite of research, industry and politics whose accomplishments are shaping a better, wiser technological future for the world.

ADVERTISEMENT

PLANETARY SCIENCE
 The New Moon
By Paul D. Spudis
Recent lunar missions have shown that there is still much to learn about Earth's closest neighbor
BIOTECHNOLOGY
 The Unseen Genome: Beyond DNA
By W. Wayt Gibbs
"Epigenetic" information stored as proteins and chemicals surrounding DNA can change the meaning of genes in growth, aging and cancer
departments
 INNOVATIONS
Breath Takers
 INSIGHTS
The Cells That Rule the Seas
 REVIEWS
The Quest for Affordable Energy
The Editors Recommend
 STAKING CLAIMS
Can Cells Be Generic?
 TECHNICALITIES
Science for Cops
 50, 100 AND 150 YEARS AGO
 Cosmic Hydrogen -- Wright Airplane -- Canine Labor
 LETTERS TO THE EDITORS
 Letters
 SA PERSPECTIVES
 Racing to Conclusions
 WORKING KNOWLEDGE
 At the Moment
columns
 ANTIGRAVITY
Quod Error Demonstrandum
 SKEPTIC
What's the Harm?
 PUZZLING ADVENTURES
 You Don't Say!
Click here to see the solution
 NEWS SCAN
Circles for Space
German "Stonehenge" marks oldest observatory
 The Nobel Prizes for 2003
The Royal Swedish Academy handed out four prizes to honor nine men of science for their groundbreaking contributions. Below are commentaries on two of the prizes.
 Two-Second Drafts
Faster beer taps for those who just can't wait
 Lowering the Boom
Quieter ways to break the sound barrier
 Down to the Deep
Crossbreeding to make exploring the abyss routine
 Refining Green Gold
How bioprospecting could be made to work
 Science v. Law
A decade-old rule on scientific evidence comes under fire
 By the Numbers: Measuring Modernity
The U.S. is not number one
 News Scan Briefs



Special AD Section

Subscribe to Scientific American

Sciam.com Mobile Site

 NEWS FROM OUR PARTNER
News from Scientific American Mind
Comcast Specials

© 1996-2007 Scientific American, Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.

Subscribe  |   Customer Care  |   Subscriber Alert  |   Order Issues  |   Site Map  |   Search  |   Jobs  |   About Us  |   Contact Us  |   Press Lounge
Advertising  |   Institutional Site License  |   Privacy Policy  |   Terms of Use  |   Permissions  |   Reprints  |   Custom Publishing  |   Partnerships/Licensing
Science Travel: Cruise  |   International Editions: Brazil  |   France  |   Germany  |   Italy  |   Japan  |   Spain  |   Other